Seal ring



FIG. 1 is a first perspective view of a seal ring embodying the invention;

FIG. 2 is a second perspective view of the seal ring of FIG. 1;

FIG. 3 is a front view of the seal ring of FIG. 1;

FIG. 4 is a rear view of the seal ring of FIG. 1;

FIG. 5 is a first side view of the seal ring of FIG. 1; and,

FIG. 6 is a section view of the seal ring of FIG. 1 taken along line 6-6 of FIG. 3 and better illustrating the cross sectional shape of the seal ring of FIG. 1.

The elements shown in broken lines are included for the purpose of illustrating environment and form no part of the claimed design. 

CLAIM We claim the ornamental design for a seal ring, as shown and described. 